제출 #412480

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
412480	2021-05-27 01:21:41	tatyam	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	1563 ms	45088 KiB

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#include <bits/stdc++.h>
using namespace std;
void chmax(int& a, int b){ if(a < b) a = b; }
int N;
vector<int> H, RMQ, idx;
vector<vector<int>> low, high;
int get(int l, int r){
    int ans = 0;
    for(l += N, r += N; l < r; l >>= 1, r >>= 1){
        if(l & 1) chmax(ans, RMQ[l++]);
        if(r & 1) chmax(ans, RMQ[--r]);
    }
    return ans;
}
int get_idx(int l, int r){
    int ans = N;
    for(l += N, r += N; l < r; l >>= 1, r >>= 1){
        if(l & 1){
            if(H[ans] < H[idx[l]]) ans = idx[l];
            l++;
        }
        if(r & 1){
            r--;
            if(H[ans] < H[idx[r]]) ans = idx[r];
        }
    }
    return ans;
}
 
 
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